13998259 has 8 divisors (see below), whose sum is σ = 16169328. Its totient is φ = 11976960.

The previous prime is 13998251. The next prime is 13998301. The reversal of 13998259 is 95289931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13998259 - 2³ = 13998251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13998251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37242 + ... + 37615.

It is an arithmetic number, because the mean of its divisors is an integer number (2021166).

Almost surely, 2^13998259 is an apocalyptic number.

13998259 is a deficient number, since it is larger than the sum of its proper divisors (2171069).

13998259 is a wasteful number, since it uses less digits than its factorization.

13998259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74885.

The product of its digits is 174960, while the sum is 46.

The square root of 13998259 is about 3741.4247286295. The cubic root of 13998259 is about 241.0042353898.

It can be divided in two parts, 139982 and 59, that added together give a palindrome (140041).

The spelling of 13998259 in words is "thirteen million, nine hundred ninety-eight thousand, two hundred fifty-nine".